“There’s a way to do an acid trip like 'Harold & Kumar,' and there’s a way to be on acid,” LaBeouf tells USA Today. “What I know of acting, Sean Penn actually strapped up to that (electric) chair in 'Dead Man Walking.' These are the guys that I look up to.”

But, the actor warns, “Sometimes, it does get real ... Too real for a (director) who’s trying to keep a diplomatic set.”